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Kewanee Oil Co. v. Bicron Corp.

416 U.S. 470 · Decided May 13, 1974 · Supreme Court of the United States

Record summary. This page is generated from the Supreme Court Database’s coded data about the case. It describes who decided what, not the Court’s reasoning. Read the opinion itself before relying on it. Not legal advice.

At a glance

Kewanee Oil Co. v. Bicron Corp. was decided on May 13, 1974 by a vote of 6–2. The Court reversed the lower court's decision and remanded the case. Chief Justice Warren E. Burger wrote the opinion of the Court. SCDB classifies its main issue as “Patents” in the Economic Activity area.

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Case details

Citations
416 U.S. 470 · 94 S. Ct. 1879 · 40 L. Ed. 2d 315 · 1974 U.S. LEXIS 134
Docket number
73-187
Decided
May 13, 1974
Argued
January 9, 1974
Court era
Burger Court
Decision type
Opinion of the Court (orally argued)
Disposition
Reversed and remanded
Outcome for petitioner
The petitioning party received a favorable disposition
Vote
6–2
Majority opinion
Warren E. Burger
Opinion assigned by
Warren E. Burger
How the case arrived
Certiorari
Issue (SCDB)
Patents
Legal provision
35 U.S.C. § 101
Type of law
Infrequently litigated statute
Decision direction (SCDB)
Conservative what this means

How the Justices voted

JusticeVoteSeparate writing
Justice William O. DouglasDissentWrote an opinion
Justice William J. Brennan Jr.Dissent
Justice Potter StewartMajority
Justice Byron R. WhiteMajority
Justice Thurgood MarshallSpecial concurrenceWrote an opinion
Chief Justice Warren E. BurgerMajorityWrote an opinion
Justice Harry A. BlackmunMajority
Justice William H. RehnquistMajority

Did not participate: Lewis F. Powell Jr..

Full case caption

Kewanee Oil Co. v. Bicron Corp. et al.

SCDB identifiers: case 1973-098, docket 1973-098-01.

Other cases on “Patents”

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Cases on the same legal provision: 35 U.S.C. § 101

Same Term, same area (Economic Activity)

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Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error